Description
The AP1250CMP is a simple, cost-effective and high-speed linear regulator designed to generate termination voltage in double data rate (DDR) memory system to comply with the JEDEC SSTL_2 and SSTL_18 or other specific interfaces such as HSTL, SCSI-2 and SCSI-3 etc. devices requirements. The regulator is capable of actively sinking or sourcing up to 2A while regulating an output voltage to within 40mV. The output termination voltage cab be tightly regulated to track 1/2VDDQ by two external voltage divider resistors or the desired output voltage can be pro-grammed by externally forcing the REFEN pin voltage.
The AP1250CMP also incorporates a high-speed differential amplifier to provide ultra-fast response in line/load transient. Other features include extremely low initial offset voltage, excellent load regulation, current limiting in bi-directions and on-chip thermal shut-down protection.
The AP1250CMP are available in the ESOP-8 (Exposed Pad) surface mount packages.

Features
*Ideal for DDR-I, DDR-II and DDR-III VTT Applications
*Sink and Source 2A Continuous Current
*Integrated Power MOSFETs
*Generates Termination Voltage for SSTL_2, SSTL_18, HSTL, SCSI-2 and SCSI-3 Interfaces.
*High Accuracy Output Voltage at Full-Load
*Output Adjustment by Two External Resistors
*Low External Component Count
*Shutdown for Suspend to RAM (STR) Functionality with High-Impedance Output
*Current Limiting Protection
*On-Chip Thermal Protection
*Available in ESOP-8 (Exposed Pad) Packages
*VIN and VCNTL No Power Sequence Issue
*RoHS Compliant and 100% Lead (Pb)-Free

Application
*Desktop PCs, Notebooks, and Workstations
*Graphics Card Memory Termination
*Set Top Boxes, Digital TVs, Printers
*Embedded Systems
*Active Termination Buses
*DDR-I, DDR-II and DDR-III Memory Systems

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General Description
APE1117 is a low dropout positive adjustable or fixed-mode regulator with minimum of 1A output current capability. The product is specifically designed to provide well-regulated supply for low voltage IC applications such as high-speed bus termination and low current 3.3V logic supply.
APE1117 is also well suited for other applications such as VGA cards. APE1117 is guaranteed to have lower than 1.4V dropout at full load current making it ideal to provide well-regulated outputs of 1.25 to 5.0 with 6.4V to 12V input supply.

Features
*1.4V maximum dropout at full load current
*Fast transient response
*Output current limiting
*Built-in thermal shutdown
*Packages: SOT223, TO252, SOT89,
*Good noise rejection
*3-Terminal Adjustab le or Fixed 1.5V, 1.8V, 1.9V, 2.5V, 3.3V, 5.0V
*RoHS Complian t

Applications
*PC peripheral
*Communication

APE1117K, APE1117H, APE1117G

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Description
The APE8805 series are low dropout, positive linear regulators with very low quiescent current. The APE8805 can supply 600mA output current with a low dropout voltage at about 600mV. The APE8805 regulator is able to operate with output capacitors as small as 1μF for stability. Other than the current limit protection APE8805 also offers on chip thermal shutdown feature providing protection against overload or any condition when the ambient temperature exceeds the junction temperature.
The APE8805 series are available in fixed output voltage ranging from 1.8 volt , 2.5 volt and 3.3 volt. The APE8805 series are available in space-saving SOT-23, SOT-89, and SOT-223 packages.

Features
*Low Dropout Voltage of 600mV at 600mA
*Guaranteed 600mA Output Current
*Very Low Quiescent Current at about 30uA
*Max. ± 2%Output Accuracy
*Needs Only 1μF Capacitor for Stability
*Thermal Shutdown Protection
*Current Limit Protection
*Low-ESR Ceramic Capacitor for Output Stability
*RoHS Compliant

Applications
*DVD/CD-ROMs, CD/RWs
*Wireless Devices
*LCD Modules
*Battery Power Systems
*Card Readers
*XDSL Routers

APE8805N-18, APE8805G-18, APE8805GR-18, APE8805K-18, APE8805N-25

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DESCRIPTION
The APU1206 family of devices are ultra low dropout 1A regulators using PNP transistor as the pass element. These products are ideal when a single input supply is only available and the dropout voltage is less than 1V, exceeding the minimum dropout characteristics of NPN/PNP hybrid regulators. One common application of these regulators is where input is 3.3V and a 2.5V output is needed.
Besides the low dropout of less than 0.5V, other features of the family of the parts are: micro-power shutdown capability and output UVLO detection where Flag pin is switched low when output is below 5% of its nominal point.

FEATURES
*Low Dropout Voltage (500mV at 1A)
*1% Voltage Reference Accuracy
*Low Ground Current
*1μA Maximum Quiescent Current in Shutdown (APU1207, APU1208)
*Fast Transient Response
*Current Limit and Thermal Shutdown
*Error Flag Signal for Output out of Regulation (APU1207, APU1208)
*RoHS Compliant

APPLICATIONS
*2.5V Supply from 3.3V Input for the new generation of Logic ICs
*Computer Mother Board, Add-On Cards
*High Efficiency Post Regulator in Switch Mode Power Supply (SMPS)

APU1207, APU1208, APU1209, APU1206H-18, APU1206K-18

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DESCRIPTION
The APU3048 IC combines a Dual synchronous Buck controller and a linear regulator controller, providing a cost-effective, high performance and flexible solution for multi-output applications. The Dual synchronous controller is configured as 2-independent PWM controller. APU3048 provides a separate adjustable output by driving a switch as a linear regulator. This device features an internal 200KHz oscillator, under-voltage lockout for all input supplies, an external programmable soft start function as well as output under-voltage detection that latches off the device when an output short is detected.

FEATURES
*Dual Synchronous Controller in 16-Pin Package with 1808 out-of-phase operation
*LDO Controller with 40mA drive
*Configured as 2-Independent PWM Controller
*Flexible, Same or Separate Supply Operation
*Operation from 4V to 25V Input
*Internal 200KHz Oscillator
*Soft-Start controls all outputs
*Fixed Frequency Voltage Mode
*500mA Peak Output Drive Capability
*Programmable Outputs
*RoHS Compliant

APPLICATIONS
*DDR Memory Source Sink Vtt Application
*Graphic Card
*Hard Disk Drive
*Power supplies requiring multiple outputs

APU3048O, APU3048M

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GENERAL DESCRIPTION
APE1117A is a low dropout positive adjustable or fixed-mode regulator with minimum of 1A output current capability.The regulator is able to operate with output Capacitors as small as 1uF Ceramic Capacitor for stability.The product is specifically designed to provide well-regulated supply for low voltage IC applications such as high-speed bus termination and low current 3.3V logic supply. APE1117A is also well suited for other applications such as VGA cards. APE1117A is guaranteed to have lower than 1.4V dropout at full load current making it ideal to provide well-regulated outputs of 1.25 to 5.0 with 6.4V to 12V input supply.

FEATURES
*1.4V maximum dropout at full load current
*Fast transient response
*Output current limiting
*Built-in thermal shutdown
*Needs Only 1uF Capacitor for stability
*Good noise rejection
*3-Terminal Adjustab le or Fixed 1.5V, 1.8V, 1.9V, 2.5V, 3.3V, 5.0V
*Low ESR Ceram ic Capacitor for output stability
*Packages: SOT-223, TO-252, SOT-89,
*RoHS Compliant

APPLICATIONS
*PC peripheral
*Communication
*LCD Modules

APE1117AK-15, APE1117AH-15, APE1117AG-15

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DESCRIPTION
The APE8955 is a 5A ultra low dropout linear regulator. The product is specifically designed to provide well supply voltage for front side bus termination on motherboard and NB applications. The IC needs two supply voltages, a voltage for the circuitry and a main supply voltage for power conversion, to reduce power dissipation and provide extremely low dropout. The APE8955 integrates many functions. A Power-on-Reset(POR) circuit monitors both supply voltage to prevent wrong operations. A thermal shutdown and current limit functions protect the device against thermal and current over-load. A POK indicates the output status with time delay which is set internally. It can control other converter for power sequence. The APE8955
can be enabled by other power system. Pulling and holding the EN pin below 0.4V shuts off the output. The APE8955 is available in ESOP-8 package which features small size as SO-8 and exposed pad to reduce the junction-to-case resistance, being applicable in 2~3W applications.

FEATURES DESCRIPTION
*Ultra Low Dropout Voltage 200mV at 5A Output Current
*Low ESR Output Capacitor (MLCC) Applicable
*0.8V Reference Voltage
*Fast Transient Response
*Current Limit and Thermal Shutdown Protection
*Adjustable Output Voltage by External Resistors
*Power-on-Reset Monitoring on Both VCNTL and VIN Pins
*Under Voltage Protection
*Power OK Output with a Delay Time
*Internal Soft-Start
*SOP-8 with Exposed Pad Package
*RoHS Compliant & Halogen Free

APE8955MP

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DESCRIPTION
The APE8953 is a 3A ultra low dropout linear regulator.
The product is specifically designed to provide well supply voltage for front side bus termination on motherboard and NB applications. The IC needs two supply voltages, a voltage for the circuitry and a main supply voltage for power conversion to reduce power dissipation and provide extremely low dropout. The APE8953 integrates many functions. A Power-on-Reset(POR) circuit monitors both supply voltage to prevent wrong operations. A thermal shutdown and current limit functions protect the device against thermal and current over-load. A POK indicates the output status with time delay which is set internally. It can control other converter for power sequence. The APE8953 can be enabled by other power system. Pulling and holding
the EN pin below 0.4V shuts off the output.
The APE8953 is available in ESOP-8 package which features small size as SO-8 and exposed pad to reduce the junction-to-case resistance, being applicable in 2~3W applications.

FEATURES
*Ultra Low Dropout Voltage 250mV at 3A Output Current
*Low ESR Output Capacitor (MLCC) Applicable
*0.8V Reference Voltage
*Fast Transient Response
*Current Limit and Thermal Shutdown Protection
*Adjustable Output Voltage by External Resistors
*Power-on-Reset Monitoring on Both VCNTL and VIN Pins
*Under Voltage Protection
*Power OK Output with a Delay Time
*Internal Soft-Start
*SOP-8 with Exposed Pad Package
*RoHS Compliant & Halogen Free

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Description
The Advanced Power MOSFETs from APEC provide the designer with the best combination of fast switching, ruggedized device design, ultra low on-resistance and cost-effectiveness.
TAG MOSFET

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General Description
APE891X is a low dropout fixed-mode regulator with minimum of 0.4A output current capability.
The product is specifically designed to provide well-regulated supply for low voltage IC applications such as high-speed bus termination and low current 1.2V/1.32V logic supply.
APE891X is guaranteed to have lower than 1.2V dropout at full load current making it ideal to provide well-regulated outputs of 1.2V/1.32V with 2.4V to 6V input supply.

Features
* 1.2V maximum dropout at full load current
* Fast transient response
* Output current limiting
* Built-in thermal shutdown
* Needs Only 1uF Capacitor for stability
* Good noise rejection
* 3-Terminal Fixed 1.2V/1.32V
* Low ESR Ceramic Capacitor for output stability
* Packages:SOT23
* RoHS Compliant

Applications
* PC peripheral
* Communication
* LCD Modules
TAG Regulator

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